BIOLOGY HIGH SCHOOL

Which type of RNA helps to build the protein chain by bringing amino acids to the ribosome?a
ribosomal RNA
b
messenger RNA
c
RNA polymerase
d
transfer RNA

Answers

Answer 1
Answer: The answer is b) messenger RNA
Answer 2
Answer:

Answer:

Messenger RNA (mRNA)

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Some bacteria benefit mammals by helping with?

Answers

by helping them with Digestion

They help with the distribution of fat, lipids, and energy. Hope my answer was useful, and do not forget to make this the best answer! 

What two properties of water contribute to capillary action?

Answers

Answer:

Adhesion and cohesion

Explanation:

Capillary action refers to the ability of water to move in small-diameter or narrow tubes against the force of gravity. Water has a tendency to form hydrogen bonds with other water molecules.

Intermolecular hydrogen bonding allows the water molecules to stick together. This tendency of water molecules to stick together is called cohesion. Adhesion is the ability of the water to stick to other substances with polar or charged groups. As a consequence of cohesive and adhesive properties, water exhibits capillary action. When water moves through microscopic spaces present between the soil particles towards the roots, it is capillary action.

In an experiment to test the hypothesis that added phosphate will cause marigolds to produce more blooms, the experimenter has two groups of pots planted with marigold seeds. One group gets watered with phosphate added to the water, while the other group gets watered with no phosphate. Both groups get the same amount of water and light.Which is a controlled variable in this experiment?
A. number of pots
B. amount of water
C. amount of phosphate
D. amount of blooms on a plant

Answers

Answer: B. amount of water.

Explanation: Controlled variables are those that remain constant in an experiment in order to avoid misconclusion about the relation between the dependent and independent variables.

Dependent variables are those that rely on other variables and independent variables are the ones that the experimenter controls.

In this case dependent variable is the production of blooms because depends on how much phosphate is added, so independent variable is the amount of phosphate.

Control variable is amount of water because it affects the growth and production of plants but when the experimenter use the same amount in both trials is standarizing the effect and making non-relevant to the study.
C. Amount of phosphate
I am not really sure, but I know that a controlled group is when nothing is changed to that group, so I am thinking that the amount of phosphate is the controlled variable because one groups gets some while the other does not.

Which of the following statements about horizons is true?

Answers

what are the options

Which of the following is NOT evidence of plate tectonics?1. distribution of fossils
2. location of earthquakes
3. rain forest depletion
4. the shape of the continents

Answers

Rain forest depletion is not evidence of plate tectonics.  

• Plate tectonics is responsible for the distribution of fossils on distinct continents, for the continental and ocean floor features comprising volcanoes, mountains, trenches, and faults, for the occurrence of earthquakes, and the shape of the continents.  

• On different continents, the fossils are identical to the fossils found on the continents, which were once connected.  

• The majority of the oceanic and continental floor features are the outcome of the earthquake and geological activity along the plate boundaries.  

• The depletion of rainforest is not a result of plate tectonics. The major reason for rainforest depletion are agriculture and fuelwood collection.  

• Apart from this, some of the human activities like logging, mining, development of large dams and industry is also major cause of rainforest depletion.  

Thus, rainforest depletion is not evidence of plate tectonics.  

To know more about:

brainly.com/question/12246508
Number 2 rain forest depletion.

Which best explains how Ivanovski’s work led to a change in the germ theory?

Answers

Answer:

It was the early day in Germ Theory contagious diseases were thought to be caused by fungi or bacteria.

Explanation:

He tried to promote his hypothesis as a law. He used a new experimental method to test his hypothesis
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